/hwair"widh awl', -with-, wair"-/ , n.
1. that with which to do something; means or supplies for the purpose or need, esp. money: the wherewithal to pay my rent.
adv.
2. by means of which; out of which.
3. Archaic. wherewith.
pron.
4. wherewith.
[ 1525-35; WHERE + WITHAL ]